<template>
  <div class="login_container">
  <div class="login_box">
    <!-- 头像区域 -->
    <div class="avatar_box">
      <img src="../assets/img/login.jpg">
    </div>
    <!-- 登录表单 -->
    <el-form ref="LoginFormRef" :rules="rules" :model="loginForm" label-width="0px" class="form_position">
      <!-- 用户名 -->
  <el-form-item prop="username">
    <el-input v-model="loginForm.username" class="login_input" prefix-icon="iconfont icon-user"></el-input>
  </el-form-item>
  <!-- 登录密码 -->
    <el-form-item prop="password">
    <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
  </el-form-item>
      <el-form-item class="btn_position">
<el-button type="primary" @click="loginClick">登录</el-button>
 <el-button type="info" @click="ResetClick">重置</el-button>
  </el-form-item>
  </el-form>
  </div>
  </div>
</template>

<script>
export default {
  data(){
    return {
      // 登录表单的数据绑定对象
      loginForm :{
        username:'',
        password:''
      },
      rules:{
        username:[
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur'},
          { min: 5, max: 17, message: '长度在 5 到 17 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods:{
    ResetClick(){
      this.$refs.LoginFormRef.resetFields();
    },
    loginClick(){
        this.$refs.LoginFormRef.validate(async valid => {
        if (!valid) return;
        const {data:res} = await this.$http.post("login",this.loginForm)
        // const { data: res } = await this.$http.post('login', this.loginForm)
        console.log(res);
        if (res.meta.status !== 200) return this.$message.error('登录失败！')
        this.$message.success('登录成功')
        // 1. 将登录成功之后的 token，保存到客户端的 sessionStorage 中
        //   1.1 项目中出了登录之外的其他API接口，必须在登录之后才能访问
        //   1.2 token 只应在当前网站打开期间生效，所以将 token 保存在 sessionStorage 中
        window.sessionStorage.setItem('token', res.data.token)
        // 2. 通过编程式导航跳转到后台主页，路由地址是 /home
        this.$router.push('/home')
      })
      // this.$refs.FormRef.validate(valid => {
      //   if(!valid) return;
      //   const result = this.$http.post("login",this.loginForm);
      //   console.log(result);
      // })
    }
  }
}
import {request} from '../network/request'
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  box-shadow:  0 0 10px #ddd;
}
.avatar_box {
  height: 80px;
  width: 80px;
  border: 1px solid #eee;
  border-radius: 50px;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%,-50%);
  background-color: #fff;
} 
.avatar_box img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: #eee;
}
.form_position {
  margin-top: 100px;
  padding:0 10px;
}
.btn_position {
  padding-left: 150px;
}
.login_input {
  box-sizing: border-box;
}
</style>
